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copper fine powder

Whether you are a manufacturer of copper fine powder for sale or a buyer, it is essential that you understand the various types of copper. There are three primary types of copper, each with its own distinct properties. Surface coating, density, and electrical conductivity are the three most important properties.

Particle size distribution

Numerous ways have been suggested for producing fine copper powder. This project aims to provide a framework for optimizing powder particle size in binder jetting to improve material characteristics.


Important in defining the packing and flow properties of copper fine powder is the particle size distribution. The particle size distribution is governed by the powder's specific surface area. Typically, the average particle size of a powder is about 0.30 mm. Nonetheless, the particle size distribution may vary significantly across a broad range.


The form of the particles is affected by the atomizing medium, powder flow rate, and pressure. It is also depending on the powder's temperature. Additionally, the quantity of acrysol applied to the powder might affect its qualities.


Why choose TIJO Metal Materials copper fine powder?

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Electrical conductivity

The electrical conductivity of several copper powders has been investigated. By expanding contact sites, one of them, known as dendritic copper powder, may ensure the high electrical conductivity. Dendritic copper powder cannot be used as a metal filler in electromagnetic wave shielding resin. In addition, its high viscosity may pose difficulties in the printing of wire.


Dendritic copper powder is formed of copper particles in the shape of flat plates. The average diameter of particles is 40 mm. Nonetheless, the diameter of the crystallite reaches 2,000 A, hence increasing the average particle diameter. The typical thickness of the cross-section ranges from 0.2 mm to 1 mm.


The dendritic shape's primary stem and branch are rounded. Dendritic copper powder may be combined with another kind of ultrafine copper powder pmu to provide the necessary electrical conductivity. In this situation, the overall input is reduced. However, the value of particular resistance is greater.


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